Which hormone does the kidney produce that stimulates red blood cell production?
a) thrombopoeitin
b) vitamin D
c) EPO
d) renin
Ans: c) EPO
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Name the structural components of a typical neuron
A) cell body, cilia, and a basement membrane B) neurofilaments, neurofibrils, and axolemma C) neurilemma, neurofibrils, and dendrites D) cell body, axon, and dendrites E) cell body, flagellum, and synaptic cleft
Describe the overall composition of bone tissue.
A.Bone matrix consists of cells which give the bone its strength and calcium which provides it with flexibility. B. Bones consist primarily of cells joined together by dense connective tissue called periosteum. C. Bone consists of bone cells and matrix. The bones cells create the matrix, which is constantly being maintained and replaced.
Bartonella is a bacteria spread by
a. ticks c. fleas b. lice d. mites
Consider an atom with four electrons in its outer shell. If that atom is covalently bound to three other atoms within a molecule, then it is
A. in single bonds with all three atoms. B. in double bonds with all three atoms. C. in a triple bond with one atom and in single bonds with two atoms. D. in a double bond with one atom and in single bonds with two atoms. E. in a single bond with one atom and in double bonds with two atoms.